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. Author manuscript; available in PMC: 2014 Jul 2.
Published in final edited form as: J Periodontal Res. 2010 Mar 9;45(3):345–352. doi: 10.1111/j.1600-0765.2009.01243.x

Table 1. Periodontal health among subject groups.

Clinical parameters
Group Probing depth Clinical attachment loss
Healthy sites (n = 65) 2.06 ± 0.74 2.64 ± 1.06
Gingivitis sites (n = 61) 2.60 ± 0.54* 3.49 ± 1.22*
Periodontitis sites (n = 64) 6.00 ± 1.41*† 6.46 ± 1.42*†
*

p < 0.01 compared with healthy sites;

†

p < 0.01 compared with gingivitis sites. The clinical data are expressed as means ± SD.